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8294008: Grapheme implementation of setText() throws IndexOutOfBoundsException

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Reviewed-by: joehw, smarks
This commit is contained in:
Naoto Sato 2022-09-20 16:46:18 +00:00
parent df8ec09f8d
commit e3358e77f5
2 changed files with 18 additions and 2 deletions
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15
src/java.base/share/classes/sun/util/locale/provider/BreakIteratorProviderImpl.java
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@ -317,7 +317,15 @@ public class BreakIteratorProviderImpl extends BreakIteratorProvider
} }
} }
// Implementation only for calling Grapheme.nextBoundary() /**
* Implementation only for calling Grapheme.nextBoundary().
*
* This is a special-purpose CharSequence that represents characters in the
* index range [0..endIndex) of the underlying CharacterIterator, even if
* that CharacterIterator represents the subrange of some string. The calling
* code in GraphemeBreakIterator takes care to ensure that only valid indexes
* into the src are used.
*/
static final class CharacterIteratorCharSequence implements CharSequence { static final class CharacterIteratorCharSequence implements CharSequence {
CharacterIterator src; CharacterIterator src;
CharacterIteratorCharSequence(CharacterIterator ci) { CharacterIteratorCharSequence(CharacterIterator ci) {
@ -326,7 +334,10 @@ public class BreakIteratorProviderImpl extends BreakIteratorProvider
@Override @Override
public int length() { public int length() {
return src.getEndIndex() - src.getBeginIndex(); // Return the entire CharSequence length (0 to endIndex), not to
// be confused with the text range length (beginIndex to endIndex)
// of the underlying CharacterIterator.
return src.getEndIndex();
} }
@Override @Override

5
test/jdk/java/text/BreakIterator/BreakIteratorTest.java
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@ -26,6 +26,7 @@
* @bug 4035266 4052418 4068133 4068137 4068139 4086052 4095322 4097779 * @bug 4035266 4052418 4068133 4068137 4068139 4086052 4095322 4097779
* 4097920 4098467 4111338 4113835 4117554 4143071 4146175 4152117 * 4097920 4098467 4111338 4113835 4117554 4143071 4146175 4152117
* 4152416 4153072 4158381 4214367 4217703 4638433 8264765 8291660 * 4152416 4153072 4158381 4214367 4217703 4638433 8264765 8291660
* 8294008
* @library /java/text/testlib * @library /java/text/testlib
* @run main/timeout=2000 BreakIteratorTest * @run main/timeout=2000 BreakIteratorTest
* @summary test BreakIterator * @summary test BreakIterator
@ -1468,4 +1469,8 @@ public class BreakIteratorTest extends IntlTest
generalIteratorTest(characterBreak, expected); generalIteratorTest(characterBreak, expected);
}); });
} }
public void TestSetTextIOOBException() {
BreakIterator.getCharacterInstance().setText(new StringCharacterIterator("abcfefg", 1, 5, 3));
}
} }